Sitecore: Automatically Save Related Items using Glass Mapper

PersonEducationSaveWhole.cs

var service = new SitecoreService("master");

var person = new Person();
person.Name = "Mike Skutta";
person.FirstName = "Mike";
person.LastName = "Skutta";
person.Education = new List<Education> { new Education
  {
    Name = "University of Illinois",
    School = "University of Illinois",
    YearOfDegree = 1999,
    Degree = "BS, Mechanical Engineering"
  }
};

using (new SecurityDisabler())
{
    service.Create(<parent>, person);
}